cdqa.function
Class Function

java.lang.Object
  cdqa.function.Function

Direct Known Subclasses:

AggregFunction, BinaryFunction, MapLFunction, MToMFunction, UnaryFunction

public class Function
extends java.lang.Object

Author:

simonkm

Field Summary

static Function	NULL
(package private) IRepository	repository

Constructor Summary

Function()

Method Summary

Iterator	createIteratorInstance(Iterator arg)
Iterator	createIteratorInstance(Iterator[] args)
Iterator	createIteratorInstance(Iterator arg1, Iterator arg2) returns the NULL iterator
static Function	forName(java.lang.String functionName, IRepository repository) dynamically loads a function
IRepository	getRepository()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

repository

IRepository repository

NULL

public static Function NULL

Constructor Detail

Function

public Function()

Method Detail

getRepository

public IRepository getRepository()

createIteratorInstance

public Iterator createIteratorInstance(Iterator arg)

createIteratorInstance

public Iterator createIteratorInstance(Iterator arg1,
                                       Iterator arg2)

returns the NULL iterator

Parameters:

arg1 -

arg2 -

Returns:

createIteratorInstance

public Iterator createIteratorInstance(Iterator[] args)

Parameters:

args -

Returns:

forName

public static Function forName(java.lang.String functionName,
                               IRepository repository)

dynamically loads a function